Comparison

Calcvier vs QR Scanner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calcvier

Transform your device's keyboard into a powerful calculator. Perform quick calculations directly within any app without switching screens or copying and pasting results.

Highlights
  • Calculator keyboard integration
  • Perform calculations anywhere
  • No app switching required
  • No copy-pasting results
  • Use in Notes, Mail, Safari, Messages
Features
Currently charting
Read full description

The Calcvier will turn your keyboard into Calculator! Add calculator keyboard to make fast calculations anywhere. No need to switch between apps or use some widget, no need to copy and paste results! To enable Calcvier on your device: 1) Open Settings app 2) Go to General > Keyboard > Keyboards 3) Tap Add New Keyboard... 4) Tap Calcvier You can use Calcvier keyboard in any app such Notes, Mail, Safari, Messages and other!

About

QR Scanner

Features
Read full description

QR Scanner: Barcode Reader – Scan Any Code, Anytime, Anywhere! The fastest, simplest, and completely free QR code and barcode scanner app – no ads, no internet required, and your privacy fully protected. LIGHTNING-FAST & ACCURATE SCANNING Just point your camera at any QR code or barcode and get instant results. Supports all formats: URL, WiFi, contacts, calendar events, plain text, books (ISBN), email, phone numbers, map locations, and more. SCAN WIFI QR CODE – CONNECT INSTANTLY No need to remember passwords! Scan a WiFi QR code and connect to any public network in seconds. PRICE SCANNER – SMART PRICE COMPARISON Scan product barcodes to view detailed information, product origin, reviews, and compare prices online before you buy. CREATE YOUR OWN QR CODES This isn't just a scanner — it's also a professional QR code generator. Create QR codes for URLs, WiFi, business cards, text, and more. Export as PNG or SVG and share instantly. 100% SAFE & PRIVACY-FIRST No personal data collected, no unnecessary permissions required. Only camera access is needed — scan with complete peace of mind. SMART SCAN HISTORY Keep track of every scan with a well-organized history log. Add notes, export data as CSV, and manage everything with ease. Scan QR codes/barcodes from your photo gallery Batch scan mode for multiple codes at once Flashlight & Dark mode supported No internet connection required 100% free – No ads, ever Download QR Scanner: Barcode Reader today and experience the fastest, safest QR code and barcode scanning tool on the App Store! Privacy Policy: https://ios-qrcode.netlify.app/privacy Term Of Use: https://ios-qrcode.netlify.app/terms EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calcvier4 screens
QR Scanner4 screens

Verdict

The call

The clearest difference is price: QR Scanner at Free against Calcvier's $2.99. QR Scanner also leads on update cadence (every 4 days vs every 8 months). Calcvier's advantage is in-app purchases (none vs 4) and chart position (#196 vs unranked). On ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

QR Scanner is free to download; Calcvier costs $2.99 up front. QR Scanner sells 4 in-app purchases, starting at $6.99 per 7 days. Calcvier asks for nothing beyond the download.

UpkeepUpdate frequency

Calcvier ships an update every 8 months, QR Scanner every 4 days. Both last shipped on October 24, 2026.

Scorecard6 real differences · 5 level
Calcvier versus QR Scanner: the parameters behind the verdict, then further details
ParameterCalcvierQR Scanner
Price$2.99Free — better
Rating4.4 (143 ratings) — better—
Positive reviews81.2% of reviews—
Number of ratings143 — better—
Update frequencyEvery 8 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
Best chart rank#196 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size6 MB18 MB
Age rating4+4+
DeveloperSergei ShpygarThuan Do Van

In-app purchases

None

Calcvier

No in-app purchases

4 purchases

QR Scanner

Subscriptions4
  • QR Scanner : Barcode Reader3 Days trial$6.997 Days
  • QR Scanner : Barcode Reader$6.997 Days
  • QR Scanner : Barcode Reader7 Days trial$6.997 Days
Show 1 more
  • QR Scanner : Barcode Reader3 Days trial$39.991 Year

Questions

Is Calcvier free?
Calcvier costs $2.99, with no in-app purchases.
Is QR Scanner free?
QR Scanner is free to download, with in-app purchases available.
Do Calcvier or QR Scanner have ads?
Neither Calcvier nor QR Scanner shows ads.
Which is updated more often, Calcvier or QR Scanner?
Calcvier ships an update every 8 months, and QR Scanner every 4 days. Most recently, Calcvier was updated on October 24, 2026 and QR Scanner on October 24, 2026.

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